Javascript Play Sound

On mobile, native-app wrappers such as PhoneGap and AppMobi can provide their own APIs too. Shell object, the Shell object let's you also play the sound asynchronously: Sub Beep(n,Wait) CreateObject ( "WScript. org > ( public archives of the W3C audio mailing list). js is a HTML5 audio and video player that also works for older browsers using Flash and Silverlight to mimic the HTML5 MediaElement API. I received lots tutorial requests from my readers that asked to me, how to play a notification sound on website chat?. In verschiedenen Sprachen verfügbar, auch in Deutsch. Run JavaScript code on your Android device. Now I created a new web based version of Play it Slowly called TimeStretch Player. My original idea for playing with this was a navigation menu that played a little clicking sound while hovering over them. The first step is to create a link for the sound to be played on Rollover or on Click. Play Sound Pause Sound Slowly Increase Frequency Wave Type: Sine Square Sawtooth Triangle. Currently i'm using this code to play sounds in JavaScript: var audio = document. net code? why is "how to play a sound with Javascript" such a rare topic? Need to know the VB code of how to stop Playing sound through a click button; Playing sound from a file; play sound file; path to sound file. Download Javascript Sound Kit for free. Test early and often! Setting the Volume To adjust the volume of your audio element, trigger this short JavaScript snippet which targets your playing audio element (. An anonymous reader writes: Starting with Firefox 66 -- scheduled for release on March 19, 2019 -- Mozilla plans to block auto-playing audio on both desktop and mobile -- a feature it began to test on Nightly builds last year. You can click on Enable Sound to turn on the game's sound. The basic audio element is really easy to use. But sound is an important component of a video game, whether it's the ambient background music, dynamic music tracks, or interactive sound effects, it all plays a critical role in the game players experience. Autoplay When autoplay is enabled, a suggested video will automatically play next. With this technique, you can also use a YouTube video as background audio that runs in a loop. Hi, this is driving me nuts and have tried several approaches. getElementsByTagName(“audio”)[0]. Refer below article. That's transfer learning. Here is a nice project which consists of a small flash file and a javascript api for playing. You can click on Zoom In to expand the game to a larger size. Similarly, YouTube could remove quality options that would be detrimental to the user experience. Using JavaScript And HTML To Play Audio In The Browser December 13, 2016 by Michael Hull Leave a Comment I recently signed up for the 30 Day JavaScript Coding Challenge by Wes Bos , and I was blown away by the first installment involving audio files. In this article I will only scratch the surface of this API, since we will be using a third party library to help us build our player, but it is still useful to know about. The 0 parameter causes Sound Recorder to run in a hidden window; the True tells the script to wait until the sound finishes playing before resuming. Javascript Audio Controller Demo: This following demo will demonstrate you how we can control a html5 audio with help of Javacsript/jQuery. hi every one, i use vs 2008 , i have timer in my web page,at first i use this code to play the sound(i use this method in other function): cod(NO1) System. Tip: This method is often used together with the pause() method. The source code of the functions playSound() and stopSound() can be found in the Playing Sound section. Most mobile browsers, however, require an explicit user. We will later access the audio element by the unique reference name audioElm in the event listener. It returns a Promise which is resolved when playback has been successfully started. Think of it like instead of training someone up from scratch to be a JavaScript developer, you take a Python developer and re-train them into a JavaScript developer. Your browser is out-of-date! Update your browser to view this website correctly. If you don't have sound files yet and want to create them with some fx library then you might want to look at jsfx which I used in my last game typdown (specially these two files are interesting (don't mind the coffeescript, it all compiles to javascript): sounds and game controller. Tip: Use the controls property to display audio controls (like play, pause, seeking, volume, etc, attached on the audio). Create an Oscillator. var player. JavaScript groups near you. The current method is to use Advanced Actions to SHOW an object to which an audio track has been attached, thus playing the sound as soon as the object appears. createElement(". The HTML audio element is used to embed sound content in documents. The HTML5 audio element. Buy HTML5 Audio Player with Playlist by Tean on CodeCanyon. Step 2, Tap ⋮. Sampled Audio: Sampled audio is represented as a sequence of time-sampled data of the amplitude of sound wave. it makes sence but then why youtube video-audio still working when screen is blocked? even in a simple webview. On Mac OS: Open Firefox. js was created by Lauren McCarthy and is developed by a community of collaborators, with support from the Processing Foundation and NYU ITP. Autoplay When autoplay is enabled, a suggested video will automatically play next. All these sound effects are free to download and use. play(); The Audio Programming video tutorial series demonstrates using the methods, events and properties associated with audio objects. Contribute to veshen/js-play-sound development by creating an account on GitHub. javascript sound. Play millions of free games on your smartphone, tablet, computer, Xbox One, Oculus Rift, and more. JavaSE, via Java Sound API (in packages javax. io/) and working on the Precourse unit before the workshop. JavaScript library to play sound alerts. Just kidding, we aren't so technical! If you are working on some platform that needs to play some audio to an user,. The AudioJungle sound effect library includes over 130,000 sound effects and counting, so you’re sure to find what you need. an audio file and have JavaScript add the tag to the page when create a permanent AUDIO instance and then just play and pause it as. I had trouble finding something like this (surprisingly) so I decided to make my own script. If an user will want, he/she will increase the volume manually. WordPress 3. Safari will refuse to play any audio until the user has tapped something that triggers audio. We're going to have a button and when we click it we're going to play a sound. In this step we create 5 functions for working with our audio player. canPlayType() method to determine what audio file is supported by the user's web browser. And his requirement was to set the audio files dynamically. play(); This uses the HTMLAudioElement interface, which plays audio the same way as the element. Tip: Use the controls property to display audio controls (like play, pause, seeking, volume, etc, attached on the audio). Audiolet - A JavaScript library for real-time audio synthesis and composition from within the browser. The video format can be specified by MIME type in HTML (see example ). Section 1: The element. Plugin is working on most popular desktop and mobile browsers and can be used everywhere, from common web sites to browser games. In Microsoft Internet Explorer, there are several ways to play a sound file from JavaScript, without opening a separate window for sound control. The HTML audio element is used to embed sound content in documents. mp3"); audio. AudioInputStream converts an audio file into stream. If the sound parameter is None, any currently playing waveform sound is stopped. And drag the audiosource onto the script. Use ref attribute to register a reference to audio element. jPlayer as a video playlist player. Playground allows you to compile TypeScript and see JavaScript output, as well as inspect how your code works in editors like VS Code. src = keystroke. Net using JavaScript TAGs: ASP. Game Play Music & Artwork Credits About the Code. Check out this live demo. Then we retrieve the saved link and click on it. It provides a collection of oscillators for basic wave forms, a variety of noise generators, and effects and filters to play and alter sound files and other generated sounds. The preload property of the returned object is set to auto and the src property is set to the argument value. AudioSource will assume any Play call will have a new audio clip to play. You can click on Zoom In to expand the game to a larger size. NET, JavaScript, and C++. createElement(". Play a sound effect with code. This game, written in JavaScript using the HTML5 Canvas and Audio objects, was developed as a proof of concept that a shooter-style game can be coded without the use of any Flash. BurnIgnorance. Audiolet - A JavaScript library for real-time audio synthesis and composition from within the browser. How to play sound file like. Up next Programming in Visual Basic. This code will play an audio file based on the value of v_Choice. 11 Loading and Playing Audio Files In this chapter, you will learn the basics of working with audio files. I have seen the javascript I recommend using flash for playing sound. play(); The Audio Programming video tutorial series demonstrates using the methods, events and properties associated with audio objects. Learn how to embed music into your site. It works fine in Netscape 4. This has to be the easiest way a play a sound file, and you get to use JavaScript!. If you're looking for a less experimental, more cross-browser way to play sound, I'd recommend checking out one of the many JavaScript libraries that have popped up to play audio. To play music, or a sound effect we use the HTML5 element: HTML5 Doctor - Native Audio in the Browser and HTML5 Audio state of play. The current method is to use Advanced Actions to SHOW an object to which an audio track has been attached, thus playing the sound as soon as the object appears. With this technique, you can also use a YouTube video as background audio that runs in a loop. So far I've tried several, but none of them seem to work. How do I enable both tracks so that I hear both tracks playing at the same time while playing the video?. This sample demonstrates how to play audio on Windows Phone 8. var audio = new Audio(); audio. The jQuery HTML5 Audio / Video Library. タグとして書かず JavaScript のみで完結する使い方なので, 主にゲーム向きです. That's transfer learning. This can be useful for “Hands Free VJing”, allowing you to sit back and have the visuals automatically sync, or in a video game where you want some part of the visuals to react to the soundtrack. Net, JavaScript. Play sounds by shelling out to one of the available audio players. play(); This uses the HTMLAudioElement interface, which plays audio the same way as the element. When a sound is played, if you use the true boolean (aka: "Wait" in the block canvas) the program waits until the sound plays completely before continuing to the next command. The audio types supported are: MP3 (audio/mpeg) Ogg (audio/ogg) Wav (audio/wav) Having audio playing automatically could be annoying in some instances, so keep this in mind before adding music to your website. You can even make the Audio object in pure JS, no need to add an tag to the markup. Play a sound effect with code. Play() you start playing the default audio. We're going to have a button and when we click it we're going to play a sound. Starting with the release of Firefox 66 for desktop and Firefox for Android, Firefox will block audible audio and video by default. Its interpretation depends on the value of flags, which can be a bitwise ORed combination of the constants described below. The Brightcove Player is built on video. Autoplay When autoplay is enabled, a suggested video will automatically play next. com if you'd like to be involved. play(); function doesn't react to clicks most of the time. The current method is to use Advanced Actions to SHOW an object to which an audio track has been attached, thus playing the sound as soon as the object appears. Stream Tracks and Playlists from Pure Storage on your desktop or mobile device. The specified sound event will yield to another sound event that is already playing in the same process. It provides advanced scheduling capabilities, synths and effects, and intuitive musical abstractions built on top of the Web Audio API. play without using another channel number? - posted in Audio and Graphics: How can you repeat at will the same sound effect, but WITHOUT having to use a specific channel number?. Sound player console and background music scripts for HTML websites or web templates. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML. For creating elements that play sound when they are interacted with on. Discussion in 'Scripting' started by Momeks, Sep 1, 2011. Step 1, Open Chrome. mp3"ファイルを再生します。. The 0 parameter causes Sound Recorder to run in a hidden window; the True tells the script to wait until the sound finishes playing before resuming. js is a blazingly fast and amazingly powerful HTML5 audio and video library that creates a unified feel for media files (MP4, MP3, FLV), streaming content (HLS, M(PEG)-DASH, RTMP), and embeddable players like YouTube, Vimeo, Twitch, DailyMotion, Facebook, and SoundCloud. When I click the link I get the playback progress bar and when I click play I get audio but no video within the browser. Play sound, music on Rollover, on Click or on Page Load using Dreamweaver Behaviors. Mobile Safari introduces even more limitations. The preload property of the returned object is set to auto and the src property is set to the argument value. When the user clicks the image, the image is switched to ‘clicked’ image. In one of my earlier posts I discussed some of the issues (or limitations) with HTML5 audio support in iOS and Android mobile and tablet platforms. Thanks! This is my code, I know it is a big mess :. llPlaySound( gsSound, giVolume ) ;}}}} I'm still having trouble making the landing noise though I can't figure out a way for the script to play the sound once when not flying instead of spamming it because of the state check. Detecting when audio is finished playing. I am going to leave this series open ended, just like we did for the Canvas Bootcamp series. Ambient Sound Scapes - City - Nature - Room Tones. Playing music using an ActiveX control. How to Add Background Music to a Website. Replace UrlToSoundFile with the full URL to the sound file you'd like it to play:. To loop audio or video in a manner compatible with earlier versions of iOS, use JavaScript to install the play() method as an event listener for the "ended" event. Download code samples and examples for Windows 8, Microsoft Azure, Office, SharePoint, Silverlight and other products in C#, VB. Now I created a new web based version of Play it Slowly called TimeStretch Player. js takes this to the next level, allowing Processing code to be run by any HTML5 compatible browser, including current versions of Firefox, Safari, Chrome, Opera, and Internet Explorer. An online code editor, learning environment, and community for front-end web development using HTML, CSS and JavaScript code snippets, projects, and web applications. how to repeat a sound using audio. The console doesn't show any reference to any mp3 files though either! Help? I even tried. Get in touch at [email protected] Playing sound from JavaScript has traditionally been difficult, due to wildly different behavior among the various audio players. WaitToComplete) End Sub This code example can only run within a Windows Forms application. The play() method starts playing the current audio. To toggle sound like this, a HTML5 audio element is embedded in the HTML document, and not displayed on screen. Sounds form the background of our life. The Audio element has a javascript class that can be used to do this in a purely html independant way. It works fine in Netscape 4. In this video we will create a custom Audio Player using CSS and JavaScript. Sorry for the low-quality audio, I figured people would rather hear something quickly and get an idea of how things work. You can see in the below photo Down and Percent Change. Google needs a refresh. NET to Java, from iOS to Android, from Python to PHP and ROR, and many others! How to play multiple videos in a loop using HTML5 and JavaScript - BurnIgnorance. I want to similarly change audio pitch while playing video, and do it live (not using a video editor). Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. In JavaScript we can invoke an Audio object, which returns an element. Sound Effects. The key points of the following source code: Use v-on directive to attach event listener of button onClick event. Kahoot! is a free game-based learning platform that makes it fun to learn – any subject, in any language, on any device, for all ages! Kahoot! needs JavaScript to work. How to record and play audio in JavaScript. Anyone have any info on whether this is possible, or how difficult it would be?. You can also change the volume dynamically, like this playSound("dead", { volume:. Q&A for Work. It can also be the destination for streamed media, using a MediaStream. By adding a music popup, the music will continue to play even as a user browses your website. Contribute to azer/alert development by creating an account on GitHub. The HTML5 standard, with its emphasis on scripting and its lack of reliance on third-party software, offers the most compatible way to embed and play MP3s on Web pages going forward. For example, the system may lower, or "duck", the audio playback level when an alarm is ringing. My Java sound/audio example: I'm working on a simple "meditation" application that plays a sound after a certain period of time (the sound of a gong), so I thought I'd share some source code out here that demonstrates how to play a sound file in a Java application like this. Processing. In this example the Media Player plays the sound file but remains hidden (style="VISIBILITY: hidden"). You can also adjust its volume while playing using the volume property, or seek using time. play(); function doesn't react to clicks most of the time. I usually select Down and change the value of Percent Change to -19000. Building a Custom HTML5 Audio Player With Javascript Sun, May 4, 2014. I can do this using JQuery. I had trouble finding something like this (surprisingly) so I decided to make my own script. Play("audio/x. The flexibility of the control coupled with the integration with the rest of the platform allows several scenarios, from simple sound effects to background audio to gaming experiences to more sophisticated audio engines. But such an audio player is not always needed or necessary, like in a game, where we need to dynamically or rather programmatically load sound files in the background and play them on a certain event. More details Github Page. If you find this lesson useful, we have many more exercises that are sure to please you. This post shows how to toggle (play/pause) sound by JavaScript manipulation of onclick event of a DOM element. Now I want to record a short voice clip and play it when desired. If you click the save button, your code will be saved, and you get an URL you can share with others. Setup a private space for you and your coworkers to ask questions and share information. I am currently busy at work but eventually I will write an XPCOM to play the split sound in FF, something similar to Foxy tune plus a Bas64 decoder. Learn more · Versions. clip is set to the same clip that is playing then the clip will sound like it is re-started. SoundPlayer. Description: Liven up your webpage with music, using this cross browser background music script. src = keystroke. I'm developing a browser game where the player can shoot. The current method is to use Advanced Actions to SHOW an object to which an audio track has been attached, thus playing the sound as soon as the object appears. an audio file and have JavaScript add the tag to the page when create a permanent AUDIO instance and then just play and pause it as. "A sound wave is the pattern of disturbance caused by the movement of energy traveling through a medium such as air". Tip: Use the controls property to display audio controls (like play, pause, seeking, volume, etc, attached on the audio). Play a sound effect with code. It’s written in Javascript and using the WebAudio API. Set the sound slider to zero to optimize the game for slower machines. ‌‌ For hyperlinks, ExeOutput for PHP provides you with pre-defined protocols that you can use to open external files, launch applications or open URLs in external browsers. Whenever I play a video with multiple audio tracks on vlc the first audio track is played. This WebView does not have full feature parity with Chrome for Android and is given the version number 30. Mozilla Developer Network - JavaScript. canPlayType() method to determine what audio file is supported by the user's web browser. The WebAudio API allows us to not only play sound files, but also generate sounds by recreating the essential components of synthesizers such as oscillators, filters, and gain nodes amongst others. If you’re having general issues playing video files then one of your codecs used to play the audio or video might be corrupted, but otherwise it might be that you don’t have the correct codec installed to play the file properly. I have posted some useful tutorial to work with HTML5 audio in JavaScript like: How to Play Audio After Few Seconds or Delay in JavaScript How to set audio playing time to starting position in JavaScript. it works perfect on one page , when I copy code to another page , it doesn't work. Therefore, the only way to play audio files was to use a plug-in such as flash. Q&A for Work. with "yield" you tell to the script to wait until sound is over. Background is specified. The HTML audio element is used to embed sound content in documents. The Web Audio API is a high-level JavaScript API for processing and synthesizing audio in web applications. Play(); therefore I used Windows Media Player because Netscape can control it with Javascript. And there’s a simple licensing system , so you can be confident using the effect in your project without worrying about whether you have the correct rights and permissions. See the end of this entry for technical notes. To toggle sound like this, a HTML5 audio element is embedded in the HTML document, and not displayed on screen. The HTML5 standard, with its emphasis on scripting and its lack of reliance on third-party software, offers the most compatible way to embed and play MP3s on Web pages going forward. then just assign new clip and play it. 2, Firefox 1. To play an audio file in HTML5, this is all you need: < audio controls ="controls">. HTML5 Audio Player Examples. The player has no graphical interface, but it can be completely controlled by code. We recommend getting started on our free JavaScript learning platform CSX (https://csx. Well flash is not supported by mobile browsers and a good web app shouldn't depend on plugins. Sound Effects. A codec is simply a small program that’s used to encode or decode data, and you need them to play your. I am using a picture as a button for my site and when you click the picture it brings you to the main page of the website. 7 Responses to “Playing sound, music or video in Windows Store Apps” How to invoke javascript functions in a WebView in Windows Store Apps: Search. play(true) plays a sound from your programming device. So you won't find any solution which purely works using java script to stream audio. Buzz is a small Javascript library that helps you to easily include and manage sounds in your websites using the HTML5 audio tag. You can also adjust its volume while playing using the volume property, or seek using time. I have done this but it only works in IE while it does not work in other browsers like firefox and chrome. Playing and sound file with vb. Audio Workshop is a series of videos in which we will demonstrate how program the Audio object and the Web Audio API using JavaScript. It provides a collection of oscillators for basic wave forms, a variety of noise generators, and effects and filters to play and alter sound files and other generated sounds. To play an audio file in HTML5, this is all you need: < audio controls ="controls">. Play a game of Kahoot! here. js by Jussi Kalliokoski, a powerful audio tools library for JavaScript, compatible with the Audio Data API and Chrome's Audio API. Play Notification Sound using Jquery. TypeScript is a typed superset of JavaScript that compiles to plain JavaScript. Hi, this is driving me nuts and have tried several approaches. Now I want to record a short voice clip and play it when desired. Record, Play, Download Microphone Sound With HTML5. I have a javascript I'm using to cue the background music audio on slide 3 of my course. The NoScript Firefox extension provides extra protection for Firefox, Seamonkey and other mozilla-based browsers: this free, open source add-on allows JavaScript, Java, Flash and other plugins to be executed only by trusted web sites of your choice (e. Hi E's, I want put sound in my website, so I thing javascript was nice for do that thing. This article demonstrates how to upload an audio file up to 50MB and play dynamically using ASP. js library as it's simple and useful. element doesn't provide APIs. You can do it with WScript. you cannot trigger audio events programmatically,a user has to click stuff,or perform an action for an audio to be played also next time,try inserting your code into the JavaScript playground and post a link,inserting your code directly in your post makes it difficult to read. It is supported in package javax. Use ref attribute to register a reference to audio element. In the Audacity Audio Editor, in Effect, there is an option for Change Pitch. location="AUDIO_FILE_URL" (see Example 1), then there is no simple way to stop the sound programmatically. Play a sound with JavaScript (html5). If you find this lesson useful, we have many more exercises that are sure to please you. GitHub Gist: instantly share code, notes, and snippets. In order to stop the sound we change the gain value, effectively reducing the volume. Embed the MP3 file with the HTML5 "audio" object, and then use a JavaScript function to start it playing. A single audio element can't play it's own sound in an overlapping way. Soon in a Firefox 3. This is a demo of Buzz, a Javascript HTML5 Audio library — Turn the volume up and play! the HTML5 audio element. llPlaySound( gsSound, giVolume ) ;}}}} I'm still having trouble making the landing noise though I can't figure out a way for the script to play the sound once when not flying instead of spamming it because of the state check. I have the file music. Playing and sound file with vb. JavaScript groups near you. JavaScript has curly-bracket syntax, dynamic typing, prototype-based object-orientation, and first-class functions. 30 Mar 2015 Rendering and playing audio files with HTML5 and Jquery. Learn more about Teams. Save Your Code. com Contains javascipt code. I have an image, I have a short. Dear EE, i have uploaded some audio files to my site with extension. The HTML5 standard, with its emphasis on scripting and its lack of reliance on third-party software, offers the most compatible way to embed and play MP3s on Web pages going forward. Sound effects in JavaScript / HTML5. Playing HTML5 audio natively in the browser can be a challenge. To prime audio like this we want to play a part of it; for this reason it is useful to include a moment of silence at the end of your audio sample. ' This is due to factors including WiFi performance, time of day, and how your ISP connects to YouTube. Is there anything I should not be doing better or not be doing at all. The WebAudio API allows us to not only play sound files, but also generate sounds by recreating the essential components of synthesizers such as oscillators, filters, and gain nodes amongst others. This is the Editor's Draft of the Web Audio API specification. Why when I call a JS fucntion with this line in it does it not play a sound? document. org > ( public archives of the W3C audio mailing list). SoundManager 2 is an attempt at providing the sound API which Javascript has been missing. The goal of this API is to include capabilities found in modern game audio engines and some of the mixing, processing, and filtering tasks that are found in modern desktop audio production applications. src = keystroke. The audio listener is normally attached to the camera you want to use. The last thing you need to add is an element that you want to generate the sound on click or on mouseover. Up next Programming in Visual Basic. In this article I will only scratch the surface of this API, since we will be using a third party library to help us build our player, but it is still useful to know about. Clip is a java interface available in javax. Consider the user that is in a setting where they do not want or expect audio to be playing, such as work or a library. 以前, 『HTML5 Audio を JavaScript で使う方法』というエントリーを書かせていただきました. My Java sound/audio example: I'm working on a simple "meditation" application that plays a sound after a certain period of time (the sound of a gong), so I thought I'd share some source code out here that demonstrates how to play a sound file in a Java application like this. In startplayer() function we first initialise our player and set the browser default controls to false so that our custom functions will work and all the rest of the functions is used to play,pause,stop and change volume of the audio player. js, add the JavaScript library in your html and don't forget to remove the html5 audio tag. Learn the advantages of using audio sprites in mobile Safari, and try a few unique solutions to bypass all HTML5 limitations in iOS. Today, most desktop browsers will always allow web pages to begin or playback via JavaScript without user interaction. In the row of colored icons at the top, click Content. When choosing an audio player for your website, you should be keen on how frequent. This is what I'm trying to modify, it's the script I use to loop a sound while in the air. The specified sound event will yield to another sound event that is already playing in the same process. js was created by Lauren McCarthy and is developed by a community of collaborators, with support from the Processing Foundation and NYU ITP. Includes fallback code for older browsers. The preload property of the returned object is set to auto and the src property is set to the argument value. play()" into tScript do tScript as "JavaScript" disable button "play" enable button "pause" end if end playSound. Are you ready to learn how to record music and make an album? Our expert-led audio tutorials show how to record and mix songs, make beats, play and customize software instruments, and use popular music production and sound engineering software like Avid Pro Tools, Logic Pro, Ableton Live, and more. Designers could embed an audio player with the embed element, which offers an enablejavascript attribute. Question is how to "Play a beep sound" on "button click" I am trying to make a website that works on touchscreen device so I want every button click events will play a beep sound, that should be nicer for users who using the website. Add an Image, Movie, Sound Effect, or Music Twine 2 doesn't currently have the ability to embed multimedia into your story. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML.